Outline of Regional Metallogeny of Ore Deposits Associated with the Mesozoic Magmatism in South China
Outline of Regional Metallogeny of Ore Deposits Associated with the Mesozoic Magmatism in South China
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发表时间：
2014
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通讯作者：
Chen Yu-chua
中科院分区：
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作者：
Chen Yu-chua
华南地区经历了六期构造演化，形成了特别是中生代的良好成矿地质环境，可划分出长江中下游、江南隆起、赣东北（秦杭带东部）、武夷—云开、南岭及东南沿海六大构造岩浆带。根据地质构造单元和环境、岩浆成矿特殊性、矿床成因密切相关等特点，将华南中生代形成的矿床划分为五个成矿系列。总结了各成矿系列的特征，分析了各成矿系列的边界和过渡或重叠特征。在此基础上，讨论了时空分布与演化、各成矿系列与壳幔相互作用的关系、中生代成矿与印支期华北与扬子板块碰撞的关系、燕山期古太平洋板块俯冲到欧亚板块之下的远程效应、燕山期地幔构造运动对华南岩浆成矿的重要贡献等。纸。
South China underwent six stages of tectonic evolution and formed favorable metallogenic geological environments, the Mesozoic in particular, within which six tectonic magmatic belts can be concluded: the Middle and Lower Reaches of the Yangtze River, the Jiangnan Uplift, the Northeast Jiangxi(the eastern Qin-Hang belt), the Wuyi-Yunkai, the Nanling and Coastal Areas of Southeast China. According to geological tectonic units and environments, metallogenic specialization of the magmatism, closely genetically related deposits, the deposits formed in the Mesozoic in South China have been divided into five metallogenic series. The characteristics of each metallogenic series have been summarized, and the boundary and transition or overlapping features of these metallogenic series have also been analyzed. On this basis, the spatial-temporal distribution and evolution, the relationship between each metallogenic series and crust-mantle interaction, the relationship between the mineralization in Mesozoic and the collision between the North China and the Yangtze Plates in Indosinian, the remote effects of the Paleo-Pacific Plate subduction underneath the Eurasian Plate in Yanshanian, and important contributions of the mantle tectonic movement in Yanshanian to magmatic mineralization in South China, etc., have been discussed in this paper.